<template>
    <div>
        <city-header></city-header>
        <city-search :cities='cities'></city-search>
        <city-list 
        :cities='cities' 
        :hot='hotCities'
        :letter='letter'></city-list>
        <city-alphabet :cities='cities'
        @change="handleLetterChange"></city-alphabet>
    </div>
</template>
<script>
import axios from 'axios'
import CityHeader from './components/Header'
import CitySearch from './components/Search'
import CityList from './components/List'
import CityAlphabet from './components/Alphabet'

export default {
    name:'City',
    components:{
        CityHeader,
        CitySearch,
        CityList,
        CityAlphabet
    },
    data(){
        return{
            cities:{},
            hotCities:[],
            letter:''
        }
    },
    methods:{
        getCityInfo(){
         axios.get('api/city.json')
         .then(this.handleGetCityInfoSucc)
        },
        handleGetCityInfoSucc(res){
            res=res.data
            if(res.ret&&res.data){
                const data=res.data
                this.cities=data.cities
                this.hotCities=data.hotCities
            }
        },
        handleLetterChange(letter){
         this.letter=letter
        }
    },
    mounted(){
        this.getCityInfo()
    }
}
</script>
<style lang="stylus" scpoed>
    
</style>